body{
    margin:0;
    padding:0;
  }
  
  html,body{
  
    height:100%;
  }
  
  #app{
  
    height:100%;
  }
  /* 在全局样式中添加对话框动画 */
.el-dialog__wrapper {
  transition: opacity 0.3s ease;
}

.el-dialog--enter-active, .el-dialog--leave-active {
  transition: opacity 0.3s ease;
}

.el-dialog--enter, .el-dialog--leave-to /* .el-dialog--leave-active in <2.1.8 */ {
  opacity: 0;
}
